Fibrianti, Nurlaily, et al. “261. Upaya Peningkatan Hasil Belajar Matematika Siswa Kelas IV SD 1 Wergu Wetan Melalui Model Project Based Learning ”. Prosiding Seminar Nasional Pendidikan Profesi Guru, vol. 1, no. 1, July 2023, pp. 2310-9, https://conference.upgris.ac.id/index.php/psnppg/article/view/4375.